gtk:progress-bar-pulse-step (object)

object -- a gtk:progress-bar widget
step -- a number coerced to a double float for the fraction between 0.0 and 1.0

The accessor for the pulse-step slot gets or sets the fraction of total progress bar length to move the bouncing block for each call to the gtk:progress-bar-pulse function. The pulse step is a fraction from 0.0 to 1.0.